Avg High
San Diego in October
Verdict
In San Diego, October has a distinct autumn feel. As the season moves along, the air is cooling down. You can usually expect a warm month that feels reliable day to day.
It suits travellers who want straightforward weather for sightseeing and day trips. Conditions are generally easy to work with, with only occasional curveballs.
Avg Low
Rain
Daylight
11h
What to expect
- Daytime feel - Warm days with a gentle drop-off once the sun goes down. Overall it feels close to what you’d expect.
- Showers & dry spells - Mostly rain-free. Rain is usually intermittent rather than relentless. A light shower is possible, but not a daily feature.
- Midday sun - Sun protection matters. Sunscreen and a hat quickly become part of the daily routine. Shade breaks feel genuinely worthwhile.
- Wind feel - Often breezy, and exposed areas feel sharper when gusts roll through. Sheltered streets can feel fine, but open areas feel very different.
October in context
How it compares to the rest of the year in San Diego.
Hottest (avg)
#4 / 12
Wettest (avg)
#7 / 12
Daylight Hours
#8 / 12
Windiest (avg)
#10 / 12
Highest UV
#8 / 12
Most Humid
#8 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 11.4 hours
- UV index (max)
- 7
- Typical sun hours
- 05:53 – 17:14
Rain & Snow
- Total
-
- Rainy days
- 4
- Cloud cover
- 35%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 74%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is October a good time to visit San Diego?
Typical October days in San Diego reach highs of 23°C (73°F) with nights around 15°C (59°F). It usually feels warm by day and mild after dark. Overall, October sits in the middle of the San Diego climate range.
What are temperatures like in October?
Daytime temperatures in October typically peak near 23°C (73°F), while nights drop to around 15°C (59°F). Expect warm afternoons and mild evenings.
How much does it rain in October?
Rainfall in October averages 16 mm (0.63 in) across roughly 4 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in October?
You can expect about 11 hours of daylight in October. Sunrise is typically around 05:53 and sunset near 17:14. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in October?
UV levels are often high (around 7). Regular sunscreen and a hat are recommended.
Is it windy in October?
In October, average wind speeds are around 8 km/h (5 mph), with gusts on the windiest days reaching about 36 km/h (22 mph). On the ground, it is a gentle to moderate breeze is common, but stronger winds are not frequent.